A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 6620-01-577-6285
NSN 5960-01-225-1610
NSN 6105-00-286-5382
NSN 5905-00-330-2043
NSN 5999-00-879-6320
NSN 5930-00-006-9138
NSN 6150-00-617-1989
NSN 5915-00-005-4263
NSN 6620-01-139-6455
NSN 5935-00-036-7573
NSN 6645-01-420-6804
NSN 5960-00-606-8593